Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

This 19th-century fountain features sculptures of little gnomes that help with chores.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

Several colorful mosaic panels depict the life and creative genius of the Master of Suspense.

With a history stretching back to the 16th century, this pub has a few stories to tell.

This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

How did a fuel storage container become one of the most famous sights in the sporting world of cricket?

The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

This is London's smallest listed building.

This sprawling, Brutalist estate feels like a city within a city.

These 19th-century gas tanks were remade into an apartment complex.

This hand-painted advertisement is a literal sign of encouragement, however unintentional.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

These former ticket office windows in London's underground now house pocket-size parks.

As seen in the Spice Girls ‘Wannabe’ music video.

The extra platform at Gloucester Road has been used for art displays for over 25 years.

The last vestiges of a magnificent Victorian-era train station can be found in this pub.

Once a 19th-century refuge for immigrants, this pub has hosted performances by Amy Winehouse and the Arctic Monkeys.

This tribute to the fictional detective stands at the famous literary character's address.